Is Vivaldi Browser Safe to Use in 2026?
Vivaldi is a Chromium-based browser created by former Opera founders, designed for power users with extensive customization options. The browser includes built-in tracker and ad blocking, does not collect browsing history on its servers, and is based in Norway under strong European privacy laws. Vivaldi does not operate an advertising business and has publicly committed to user privacy. While the browser is not fully open source (the UI layer is proprietary), the underlying Chromium engine is open. Vivaldi earns a mostly-safe rating as a privacy-respecting browser with strong customization, limited primarily by partial open-source status and smaller development resources than Firefox or Brave.
What Vivaldi Collects
- A unique installation ID used for counting active users without tracking individual browsing behavior
- No browsing history, search queries, or website content is collected or stored on Vivaldi servers
- Sync data encrypted end-to-end before leaving your device when using Vivaldi cross-device sync
- Basic crash reports if opted in, without personal browsing data included
Who Sees Your Data
- Vivaldi Technologies AS in Norway, which processes minimal data under strict European privacy regulations
- No advertising companies since Vivaldi does not operate any advertising business or surveillance network
- Sync servers process only encrypted data that Vivaldi cannot read when cross-device sync is enabled
Built-In Privacy Features
Vivaldi includes built-in tracker and ad blocking that can be configured from off to aggressive. The blocking uses standard filter lists and provides effective protection against cross-site tracking and advertising surveillance. Vivaldi also includes a built-in translation feature that processes translations locally rather than sending text to external servers for some language pairs. The browser does not phone home with browsing data and generates a randomized installation ID that counts users without identifying them. These built-in protections provide good default privacy for users who do not want to configure extensions.
Norwegian Jurisdiction and Governance
Vivaldi is headquartered in Norway, which has strong privacy laws and is subject to EU GDPR provisions through the EEA agreement. The company is independently owned and has publicly committed to never selling user data or building advertising profiles. The Norwegian jurisdiction provides legal privacy protections that complement the technical protections in the browser. The company governance structure is transparent about its commitment to user privacy as a core business principle rather than a marketing feature. This structural alignment between jurisdiction, governance, and product design creates reasonable confidence in privacy claims.
Customization for Privacy
Vivaldi extensive customization allows privacy-focused users to configure the browser precisely to their needs. Built-in features like tab stacking, notes, and web panels reduce dependence on third-party extensions that may introduce privacy risks. The ability to customize nearly every aspect of the browsing experience means users can create a setup tailored to their specific privacy requirements without relying on external tools. The built-in email client and calendar also reduce the need for separate web-based services that collect data independently. This self-contained approach to browsing tools can reduce overall data exposure when used thoughtfully.
Recommended Privacy Settings
| Setting | Where | Recommended |
|---|---|---|
| Tracker Blocker | Settings > Privacy > Tracker and Ad Blocker | Enable the built-in blocker and select filter lists appropriate for your privacy needs |
| Google Services | Settings > Privacy > Google Services | Review and disable Google services integrated through Chromium that may send data to Google servers |
| Search Engine | Settings > Search | Switch the default search engine to DuckDuckGo or another privacy-respecting search provider |
Safer Alternatives
Our Verdict
Vivaldi earns a mostly-safe rating as a privacy-respecting browser with extensive customization options. Norwegian jurisdiction, no advertising business, and built-in tracker blocking create a trustworthy browsing environment. The partial closed-source nature is a limitation compared to fully open-source alternatives. For power users who value customization alongside privacy, Vivaldi is an excellent choice. For maximum verified privacy, Brave and Firefox offer fully transparent alternatives. Vivaldi is a strong recommendation for users leaving Chrome or Edge who want both privacy and a highly configurable browsing experience.
Related Safety Checks
Frequently Asked Questions
Is Vivaldi open source?
Vivaldi is partially open source. The Chromium engine underlying the browser is open source, but the Vivaldi UI layer and proprietary features are not. This means the rendering and networking code can be audited, but the specific Vivaldi features and interface code cannot be independently verified. This is less transparent than Brave or Firefox where the entire browser is open source. The partial open-source status provides reasonable but not complete verification of privacy claims. Vivaldi has been transparent about this limitation and has invited security researchers to audit their code directly.
How does Vivaldi compare to Brave for privacy?
Brave offers stronger default privacy through more aggressive blocking, industry-leading fingerprinting protection, and fully open-source code. Vivaldi offers more customization options and built-in productivity tools. For maximum default privacy, Brave is stronger. For a customizable browser with good privacy, Vivaldi is a solid choice. Both are significantly more private than Chrome or Edge. The choice depends on whether you prioritize maximum out-of-box privacy (Brave) or maximum customization with good privacy (Vivaldi).
Does Vivaldi send data to Google?
Vivaldi is built on Chromium and some Google services like Safe Browsing may be active by default. Vivaldi allows disabling these Google services in settings. The browser itself does not send browsing data to Google, but Chromium components may communicate with Google servers for security features. Reviewing and disabling Google services in Vivaldi privacy settings reduces these connections. For complete isolation from Google, Firefox non-Chromium engine provides a browser with no Google infrastructure dependency.